package com.eml.service.dao;

import com.eml.service.entity.Coupons;

public interface CouponDao {
    //查询优惠券
    Coupons selectCoupon() throws Exception;
    //修改优惠券
    void updateCoupon() throws Exception;
    //添加优惠券
    void addCoupon() throws Exception;
}
